TODO: Remove image address to absolute address

[sakitam-fdd]

maptalks's version and what browser you use?

Issue description

移除内部ImageMarker的绝对地址转换，这种转换在现代前端框架Vue和React中会出现问题（Hash路由和History路由），对于地址的控制应该交由用户。

To Do List：

• Add label and assign to milestone
• Coding
• Test

Please provide a reproduction URL (on any jsfiddle like site)

[fuzhenn]

coded by 213fc46